Festo CPX-E-4IOL Series Translation Of The Original Instructions page 13

Function
Error no. Meaning/possible causes
1 Fuse triggered
Device software error
Earth error
Temperature overload
Technology-specific application error
Measuring range exceeded
2 Short circuit
3 Wire break
5 Error in power supply
Primary voltage/main power supply too low
Undervoltage PL Device supply
9 Below minimum value
Device has fallen below temperature limit
Error in memory buffering
Low battery level
10 Above maximum level
Device has exceeded temperature limit
Primary voltage/main power supply too high
24 Process variable range underflow
25 Process variable range overflow
29 Parameter error
Invalid parameters received from the host
Parameter error
Missing parameters
Changed parameter
39 Service required
57 Device missing/failed
88 Short circuit at port
89 Port configuration error
204 Invalid switch setting
1) (only relevant if PL monitoring is active in a device)
2) L+, P24
Tab. 13 Diagnostic/error messages according to error numbers
Festo — CPX-E-4IOL-... — 2020-01a
1)
2)
Remedy
Check device, remedy error.
Check installation.
Reset device.
Check application.
Check installation.
Check installation.
Check power supply.
Check installation.
Check battery.
Check installation.
Check power supply.
Check process data.
Check process data.
Check parameterisation.
Check data sheet and values.
Check data sheet.
Check configuration.
Check process data.
Check configuration.
Check installation.
Check configuration.
Check DIL switch setting.
13